George Berken

Last seen: Today | Active since 2013

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Retired project engineer.

Programming Languages:
MATLAB
Spoken Languages:
English

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[Master Regular Expression] String To Integer
Implement the myAtoi(string s) function, which converts a string to a 32-bit signed integer. The algorithm for myAtoi(string s)...

4 hours ago

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Compute the effective conductivity of more heterogeneous aquifers
Cody Problem 52070 asked for a function to compute the effective hydraulic conductivity of a heterogeneous aquifer—or the single...

1 day ago

Solved

Design a well field in an infinite aquifer
A well field provides water for a community. The design of a well field involves a goal to meet a specified service demand (i.e...

1 day ago

Solved

Determine aquifer properties: slug test
An important task in characterizing the flow of groundwater is to determine the properties of the aquifer, or the underground wa...

1 day ago

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Determine aquifer properties: steady pump test in a leaky confined aquifer
Problem statement Write a function to determine the hydraulic conductivity of a leaky confined aquifer and the hydraulic condu...

1 day ago

Solved

Check a scheme to dewater a construction area
In addition to supplying water and capturing contaminants, wells can be used to lower the water table in a construction area. In...

1 day ago

Solved

Design a capture zone
One approach to remediating a contaminated site is to pump and treat the contaminated groundwater. If the site has background fl...

1 day ago

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Compute steady drawdown in a confined aquifer
A well extracting water from a confined aquifer will lower the piezometric head and create a cone of depression. In steady state...

1 day ago

Solved

Locate image wells
A mathematical model of wells pumping groundwater near a boundary can be constructed using the method of images, which is also u...

1 day ago

Solved

Determine aquifer properties: steady pump test in confined or unconfined aquifers
Problem statement Write a function to determine the hydraulic conductivity and radius of influence using data from a steady p...

1 day ago

Solved

Compute the maximum length of a contaminant plume in groundwater
Problem statement Write a function to compute the maximum length of a contaminant plume for steady, one-dimensional transport ...

1 day ago

Solved

Compute piezometric head in a leaky confined aquifer
Problem statement Write a function to compute the piezometric head in a leaky confined aquifer and the position of a groundwat...

1 day ago

Solved

Compute the water table elevation in an unconfined aquifer with recharge
Problem statement Write a function to compute the water table elevation above the bottom of the aquifer and the position of a ...

1 day ago

Solved

Compute head profiles for steady 1D flow through soils in series
Cody Problem 58966 involves compute the head profile for steady, one-dimensional flow in a homogeneous aquifer (i.e., one with u...

1 day ago

Solved

Capture the flag(s)
Flags are distributed randomly on a large board. Starting from the corner position your goal is to capture as many flags as poss...

1 day ago

Solved

Compute the effective conductivity of a heterogeneous aquifer
Slow flow through soil or another porous medium follows Darcy’s law, which relates the flow of water to the gradient in piezome...

3 days ago

Solved

Compute the head for steady 1D flow in a homogeneous aquifer
Problem statement Write a function that computes the head (i.e., piezometric head for a confined aquifer or water table elevat...

3 days ago

Solved

Compute measurement uncertainty
Suppose a variable depends on independent variables , , . If the independent variables have uncertainty , , etc. and the uncer...

3 days ago

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Measure the hydraulic conductivity with a falling-head permeameter
A falling-head permeameter is another device for measuring the hydraulic conductivity of a soil sample. In this problem the sam...

3 days ago

Solved

PACMAT 05 - Optimized Ghosts, PACMAT increasing speed, 12 Lives
The Classic PACMAN game brought to Cody. PACMAT requires clearing the Yellow Dots while avoiding the wandering ghosts in 12 l...

3 days ago

Solved

PACMAT 04 - Optimized Ghosts, Equal Speed, 10 Lives
The Classic PACMAN game brought to Cody. PACMAT requires clearing at least 130 Yellow Dots while avoiding the wandering ghost...

3 days ago

Solved

PACMAT - G03 Ghosts use minimum path to PACMAT; 3 Lives
The Classic PACMAN game brought to Cody. PACMAT requires clearing the board of Yellow Dots while not bumping into the wanderi...

3 days ago

Solved

GJam 2014 China Rd B: Dragon Maze
This Challenge is derived from <http://code.google.com/codejam/contest/2929486/dashboard#s=p3 GJam 2014 China Dragon Maze>. Smal...

3 days ago

Solved

GJam 2014 China Rd A: Maze with a Left Hand Rule
This Challenge is derived from <http://code.google.com/codejam/contest/2924486/dashboard#s=p3 GJam 2014 China Cross the Maze>. ...

3 days ago

Solved

PONG 003: 3-Ball Rectangle, Interactive Download
Variation of the Original Classic PONG game brought to Cody. PONG 003 is a rectangular board (2000,1000) with reasonable veloci...

3 days ago

Solved

PONG 002: Rectangle, Interactive Download, Easier Play
Variation of the Original Classic PONG game brought to Cody. PONG 002 is a rectangular board (2000,1000) with slower initial ve...

3 days ago

Solved

Check if a directory is on the current MATLAB search path
Given a directory name as a string, return true if the directory is on the current MATLAB search path, and false otherwise.

4 days ago

Solved

Remove collinear points in a set of 2D points defining a polygon
Consider a polygon that is obtained by joining a set of 2D points whose coordinates are stored in matrix P=[x,y]. Write a functi...

4 days ago

Solved

Cellular Automaton | Rule X
Cellular Automata (CA) provide a convenient way to represent many kinds of systems in which the values of cells (either 0 or 1) ...

4 days ago

Solved

Find the function 2
Given a set of point (x,y) and the coordinate x of a new point, find the y value of new point. Test Suite is based on only one ...

4 days ago